129482882421 has 32 divisors (see below), whose sum is σ = 174713710080. Its totient is φ = 85295073600.

The previous prime is 129482882401. The next prime is 129482882453. The reversal of 129482882421 is 124288284921.

It is not a de Polignac number, because 129482882421 - 2²⁵ = 129449327989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129482882401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64386306 + ... + 64388316.

It is an arithmetic number, because the mean of its divisors is an integer number (5459803440).

Almost surely, 2^129482882421 is an apocalyptic number.

It is an amenable number.

129482882421 is a deficient number, since it is larger than the sum of its proper divisors (45230827659).

129482882421 is a wasteful number, since it uses less digits than its factorization.

129482882421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its digits is 1179648, while the sum is 51.

The spelling of 129482882421 in words is "one hundred twenty-nine billion, four hundred eighty-two million, eight hundred eighty-two thousand, four hundred twenty-one".